EP0595134A1 - Betätigungsvorrichtung für elektrische Haushaltgeräte insbesondere für Kochmulden, elektrische Ofen, Mikrowellenofen, kombinierte Ofen oder dergleichen - Google Patents

Betätigungsvorrichtung für elektrische Haushaltgeräte insbesondere für Kochmulden, elektrische Ofen, Mikrowellenofen, kombinierte Ofen oder dergleichen Download PDF

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Publication number
EP0595134A1
EP0595134A1 EP93116703A EP93116703A EP0595134A1 EP 0595134 A1 EP0595134 A1 EP 0595134A1 EP 93116703 A EP93116703 A EP 93116703A EP 93116703 A EP93116703 A EP 93116703A EP 0595134 A1 EP0595134 A1 EP 0595134A1
Authority
EP
European Patent Office
Prior art keywords
knob
shaft
actuator
actuator shaft
control panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93116703A
Other languages
English (en)
French (fr)
Other versions
EP0595134B1 (de
Inventor
Alessandro Distaso
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Whirlpool Europe BV
Original Assignee
Whirlpool Europe BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Whirlpool Europe BV filed Critical Whirlpool Europe BV
Publication of EP0595134A1 publication Critical patent/EP0595134A1/de
Application granted granted Critical
Publication of EP0595134B1 publication Critical patent/EP0595134B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/124—Control panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles
    • G05G1/12—Means for securing the members on rotatable spindles or the like

Definitions

  • This invention relates to a device as described in the introduction to the main claim.
  • the knob by which the user operates it may become separated from its control panel with the consequent impossibility of altering the operation of the appliance or of a part or member thereof. This can cause obvious problems.
  • a young child who while playing removes (with relative force) a knob which operates one of the heating elements of a cooking hob of gas burner type It is then no longer possible to adjust the burner associated with this knob, so making it impossible to turn off the gas to the burner when required.
  • An object of the invention is to provide a device of the stated type by which even if a knob has been removed from its usual position on the control panel, the state of operation of the household electrical appliance and in particular of a cooking hob or oven can still be adjusted.
  • a further object is to provide a device of the stated type which allows adequate access to the control panel, for example for its cleaning, without making it impossible to operate the actuator of the appliance and in particular the heating element of the cooking hob or the like.
  • a further object is to provide a device which enables the appliance and in particular a cooking hob to be used even if the knob has been removed from its usual position on the appliance control panel.
  • a knob 2 positioned on a control panel 1 is connected to an actuator shaft 3 usually connected to an actuator 4 (for example for a solenoid valve in a gas pipe) for operating a household electrical appliance, and in particular a burner of a gas cooker hob.
  • the knob 2 is located on the upper face 5A of the control panel 5 for the household electrical appliance concerned.
  • This control panel comprises an aperture 6 for the passage of the shaft 3 which, as stated, connects the knob to the actuator 4, which is positioned on the lower face 5B of said control panel.
  • a usual protection insert 7 is provided in the aperture 6.
  • the actuator shaft 3 comprises a body 10 (of known semicircular cross-section) with an upper free end 11 on which the knob 2 is forced.
  • the knob 3 comprises an annular recess 13 for cooperating with an elastic ring 14 supported in any known manner by a tubular cylindrical element 15 associated with the knob 2 and movable telescopically relative to the shaft 3.
  • the ring 14 is supported internally by the element 15.
  • the recess 13 comprises (in relation to said figures) an upper wall 16 and a lower wall 17 which connect smoothly to the rest of the body 10 of the shaft 3.
  • the element 15 is removably associated with the knob 2 and is partly inserted into a socket-shaped part 20 of this latter in which it is retained by a usual flat spring 21.
  • the knob comprises a usual body 23 of known shape (cylindrical) to facilitate its gripping.
  • the ring 14 of the element 15 is withdrawn from the recess 13 in the shaft 3 (see Figure 3).
  • the shaft 3 rotates to operate on the actuator 4, in order for example to adjust the gas burner corresponding to this actuator to the desired flame level.
  • the knob 2 is moved along an axis Z perpendicular to the control panel 5 and coinciding with the longitudinal axis of the shaft 3, until the ring 14 enters the recess 13.
  • the movement of the knob along said axis Z ceases.
  • the face 5A of the control panel 5 can hence also be cleaned below the knob 2.
  • the element 15 remains in contact with the shaft 3 and is consequently torsionally coupled to it, this latter can be moved even with the knob 2 in the position distant from the control panel 5.
  • the ring 14 is forced out of the recess 13 by pulling the knob 2 upwards (with reference to said figures). This however can be achieved only with a relatively large force which for example only an adult can exert. This prevents the knob being able to be removed by a young child with the obvious resultant problems related for example to the loss of the knob and the impossibility of operating the actuator 4.
  • the knob 2 is repositioned on the shaft 3 in its usual position of use ( Figure 1) by the opposite procedure to that used for separating the two members, and hence deducible from the aforegoing description. The repositioning will therefore not be further described. It should however be noted that because of the form of the walls 16 and 17 of the recess 13 the force required for removing the knob from and returning it to the shaft 3 is not excessive for an adult.
  • FIGS. 5 and 6 show a modification of the invention.
  • parts corresponding to those of the already described figures are indicated by the same reference numerals.
  • a ferromagnetic metal piece 30 arranged to cooperate with a magnetic insert 31 provided in the actuator shaft 3. This insert projects from a sunken part 32 of the end 11 provided between two opposing projections 33 and 34 which rise from this end.
  • the piece 30 sits in the recess 35 between these projections.
  • the projections 33 and 34 fit into recesses 37 and 38 provided in the bottom 39 of the knob 2 so as to torsionally couple the shaft 3 and knob 2.
  • the knob 2 When the knob 2 is withdrawn along the axis Z from the control panel 5 (for example for cleaning this latter), the knob completely separates from the shaft 3. However this latter can still be rotated about its longitudinal axis by acting on the projections 33 and 34. In this manner, even without the knob 2 the actuator 4 can be operated without any problem.
  • the knob can be easily fitted onto the shaft 3 again by virtue of the magnetic cooperation between the piece 30 and the magnetic insert 31.
  • FIGS. 7 to 9 show a further modification of the invention.
  • parts corresponding to those already described are indicated by the same reference numerals.
  • the end 11 of the shaft 3 comprises a widened portion 50 from which a diametrical crosspiece 51 rises. From this crosspiece there rises a pin 52 arranged to cooperate with the socket part 20 of the knob 2.
  • the pin 52 is preferably of semicircular cross-section as is the recess 20A in the part 20. Torsional coupling between the parts is therefore achieved when they are in mutual cooperation.
  • the body 10 of the shaft 3 is preferably of ferromagnetic metal.
  • a magnetic annular piece 55 is associated with the part 20 of said knob.
  • the body 10 also comprises a recess 56 to receive the pin 57 of the actuator 4, this recess and the pin 57 being of such cross-section (for example semicircular) as to achieve torsional engagement between them.
  • the knob 2 can be removed (by pulling it along the axis Z perpendicular to the control panel 5) for cleaning the cooking hob 1.
  • the shaft 3 can be operated by acting on the crosspiece 51 of the portion 50.
  • the knob 2 can be separated from the shaft 3 only by exerting a certain force which cannot be applied to the knob by a young child. Consequently this embodiment prevents undesired separation between said members by a child, with obvious advantages.
EP93116703A 1992-10-26 1993-10-15 Betätigungsvorrichtung für elektrische Haushaltsgeräte insbesondere für Kochmulden, elektrische Ofen, Mikrowellenofen, kombinierte Ofen oder dergleichen Expired - Lifetime EP0595134B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI922445 1992-10-26
ITMI922445A IT1255552B (it) 1992-10-26 1992-10-26 Dispositivo attuatore perfezionato per elettrodomestici, in particolare piani di cottura, forni elettrici, a microonde, combinati o similari.

Publications (2)

Publication Number Publication Date
EP0595134A1 true EP0595134A1 (de) 1994-05-04
EP0595134B1 EP0595134B1 (de) 1997-08-13

Family

ID=11364167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93116703A Expired - Lifetime EP0595134B1 (de) 1992-10-26 1993-10-15 Betätigungsvorrichtung für elektrische Haushaltsgeräte insbesondere für Kochmulden, elektrische Ofen, Mikrowellenofen, kombinierte Ofen oder dergleichen

Country Status (3)

Country Link
EP (1) EP0595134B1 (de)
DE (1) DE69313070T2 (de)
IT (1) IT1255552B (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0727617A2 (de) * 1995-02-20 1996-08-21 Bosch-Siemens Hausgeräte GmbH Einbauherd mit eigenständiger Kochmulde
EP0859193A1 (de) * 1997-02-18 1998-08-19 Bosch-Siemens HausgerÀ¤te GmbH Bedien- und Anzeigeanordnung für einen Herd, insbesondere für einen Haushaltsherd
ES2188304A1 (es) * 1999-12-02 2003-06-16 Bsh Balay Sa Horno de coccion.
FR3091763A1 (fr) * 2019-01-15 2020-07-17 Vehotec Manette de commande pour appareil de type électroménager
CN112146135A (zh) * 2019-06-28 2020-12-29 杜泽儒 瓦斯炉的柱状安全装置
WO2023180220A1 (en) * 2022-03-21 2023-09-28 BSH Hausgeräte GmbH Control element for a cooktop, coupling element, control device and cooktop

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850307A (en) * 1955-07-01 1958-09-02 Bell Aircraft Corp Valve stems
US2861467A (en) * 1955-06-20 1958-11-25 Ervin H Mueller Operating stem for gas valve
DE3911413A1 (de) * 1989-04-07 1990-10-11 Bosch Siemens Hausgeraete Haushaltgeraeteschalter
DE9114215U1 (de) * 1991-11-15 1992-01-09 Hadomed Gmbh Medizintechnik, 7805 Boetzingen, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2861467A (en) * 1955-06-20 1958-11-25 Ervin H Mueller Operating stem for gas valve
US2850307A (en) * 1955-07-01 1958-09-02 Bell Aircraft Corp Valve stems
DE3911413A1 (de) * 1989-04-07 1990-10-11 Bosch Siemens Hausgeraete Haushaltgeraeteschalter
DE9114215U1 (de) * 1991-11-15 1992-01-09 Hadomed Gmbh Medizintechnik, 7805 Boetzingen, De

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0727617A2 (de) * 1995-02-20 1996-08-21 Bosch-Siemens Hausgeräte GmbH Einbauherd mit eigenständiger Kochmulde
EP0727617A3 (de) * 1995-02-20 1997-05-28 Bosch Siemens Hausgeraete Einbauherd mit eigenständiger Kochmulde
EP0859193A1 (de) * 1997-02-18 1998-08-19 Bosch-Siemens HausgerÀ¤te GmbH Bedien- und Anzeigeanordnung für einen Herd, insbesondere für einen Haushaltsherd
ES2188304A1 (es) * 1999-12-02 2003-06-16 Bsh Balay Sa Horno de coccion.
FR3091763A1 (fr) * 2019-01-15 2020-07-17 Vehotec Manette de commande pour appareil de type électroménager
CN112146135A (zh) * 2019-06-28 2020-12-29 杜泽儒 瓦斯炉的柱状安全装置
WO2023180220A1 (en) * 2022-03-21 2023-09-28 BSH Hausgeräte GmbH Control element for a cooktop, coupling element, control device and cooktop

Also Published As

Publication number Publication date
DE69313070T2 (de) 1998-02-12
ITMI922445A1 (it) 1994-04-26
EP0595134B1 (de) 1997-08-13
DE69313070D1 (de) 1997-09-18
ITMI922445A0 (it) 1992-10-26
IT1255552B (it) 1995-11-09

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